/* === SYSTÈME MD — FEUILLE DE STYLE COMMUNE === */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --sand:#C8A96E;--sand-lt:#E8D5B0;--rose:#C4687A;--rose-dk:#9E4A5A;
  --noir:#1A1410;--charcoal:#2E2620;--cream:#FAF6F0;--off:#F2EDE6;
  --text:#3A302A;--text-sec:#65584F;--title:#201A17;--quote:#5B4638;
  --card-text:#4A3C33;--text-dark:#E8D5B0;--accent:#C8A96E;
}
html{scroll-behavior:smooth;overflow-x:hidden;width:100%}
body{font-family:'Inter',sans-serif;background:var(--cream);color:var(--text);overflow-x:hidden;width:100%;max-width:100vw;line-height:1.6}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1.1rem 2.5rem;background:rgba(26,20,16,0.95);backdrop-filter:blur(12px);border-bottom:1px solid rgba(200,169,110,0.12)}
.nav-logo{font-family:'Cormorant Garamond',serif;font-size:1.1rem;font-weight:300;letter-spacing:0.12em;color:var(--sand-lt);text-decoration:none}
.nav-links{display:flex;gap:1.5rem;list-style:none;flex-wrap:wrap}
.nav-links a{font-size:0.63rem;letter-spacing:0.14em;text-transform:uppercase;color:rgba(232,213,176,0.7);transition:color 0.3s}
.nav-links a:hover,.nav-links a.active{color:var(--sand)}
.nav-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px;background:none;border:none;}
.nav-burger span{display:block;width:22px;height:1px;background:var(--sand-lt);transition:all 0.3s}
.mobile-menu{display:none;position:fixed;top:56px;left:0;right:0;bottom:0;background:rgba(26,20,16,0.97);z-index:99;flex-direction:column;align-items:center;justify-content:center;gap:2rem}
.mobile-menu a{font-size:1rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--sand-lt)}
.mobile-menu.open{display:flex}

/* HERO IMAGE */
.hero-image-wrap{width:100%;margin-top:56px;line-height:0}
.hero-image-wrap img{width:100%;height:auto;display:block}

/* SECTIONS */
.section{padding:5rem 2.5rem}
.section-dark{background:var(--charcoal);color:var(--text-dark)}
.section-noir{background:var(--noir);color:var(--text-dark)}
.section-off{background:var(--off)}
.mw{max-width:1080px;margin:0 auto;width:100%}
.ey{font-size:0.62rem;letter-spacing:0.26em;text-transform:uppercase;color:var(--rose);margin-bottom:0.6rem;display:block}
.ey-lt{color:var(--rose)}
h1,h2{font-family:'Cormorant Garamond',serif;font-weight:300;line-height:1.12;color:var(--title)}
h1{font-size:clamp(2.2rem,5vw,3.8rem);margin-bottom:1rem}
h2{font-size:clamp(1.8rem,3.5vw,2.8rem);margin-bottom:1rem}
h3{font-family:'Cormorant Garamond',serif;font-size:1.5rem;font-weight:300;color:var(--title);margin-bottom:0.6rem}
.h-lt{color:var(--sand-lt) !important}
.dv{width:36px;height:1px;background:var(--sand);margin:1rem 0 2rem}
.dv-r{background:var(--rose)}
.prose{font-size:0.95rem;line-height:1.9;color:var(--text)}
.prose-lt{color:var(--text-dark) !important}
.prose+.prose{margin-top:1rem}
.lead{font-size:1.1rem;line-height:1.8;color:var(--text);max-width:640px}
.pull{font-family:'Cormorant Garamond',serif;font-size:1.45rem;font-weight:300;font-style:italic;line-height:1.45;color:var(--quote) !important;padding:2rem;border-left:2px solid var(--rose);background:rgba(200,169,110,0.06);margin:2rem 0}
.qbox{border-left:2px solid var(--rose);padding:1.4rem 2rem;background:var(--cream);font-size:0.93rem;line-height:1.8;color:var(--quote) !important;font-style:italic;margin-top:2rem}

/* GRIDS */
.g2{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.g3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.g4{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}

/* CARDS */
.card{padding:2rem;background:var(--off);border-top:2px solid var(--sand)}
.card p,.card h3{color:var(--card-text) !important}
.card-dark{padding:2rem;background:rgba(255,255,255,0.03);border:1px solid rgba(200,169,110,0.12)}
.card-dark p{color:var(--text-dark) !important}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.85rem 1.8rem;font-size:0.7rem;letter-spacing:0.16em;text-transform:uppercase;transition:all 0.3s;cursor:pointer;border:none;font-family:'Inter',sans-serif}
.btn-p{background:var(--rose);color:#fff}
.btn-p:hover{background:var(--rose-dk)}
.btn-o{background:transparent;color:var(--text);border:1px solid rgba(58,48,42,0.3)}
.btn-o:hover{border-color:var(--text);background:rgba(58,48,42,0.05)}
.btn-o-lt{background:transparent;color:var(--sand-lt);border:1px solid rgba(200,169,110,0.4)}
.btn-o-lt:hover{border-color:var(--sand);color:var(--sand)}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap;align-items:center}

/* RESULTS */
.res{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.res-item{padding:1.5rem;border:1px solid rgba(200,169,110,0.2);text-align:center;background:var(--cream)}
.res-item span{font-size:1.1rem;color:var(--rose);display:block;margin-bottom:0.5rem;font-weight:600}
.res-item p{font-size:0.85rem;color:var(--card-text) !important;line-height:1.5;font-weight:500}

/* ETAPES */
.etapes{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:rgba(200,169,110,0.1)}
.etape{background:var(--noir);padding:2rem 1.2rem;text-align:center}
.etape-n{font-size:0.55rem;letter-spacing:0.2em;text-transform:uppercase;color:var(--rose);display:block;margin-bottom:0.4rem}
.etape-l{font-family:'Cormorant Garamond',serif;font-size:1.15rem;color:var(--sand-lt);display:block;margin-bottom:0.6rem}
.etape p{font-size:0.75rem;line-height:1.6;color:rgba(200,169,110,0.7)}

/* OBSERVATION CARDS */
.obs{padding:2.5rem;border:1px solid rgba(200,169,110,0.1);border-top:2px solid var(--rose)}
.obs-num{font-size:0.58rem;letter-spacing:0.22em;text-transform:uppercase;color:var(--rose);margin-bottom:1rem;display:block}
.obs-body{font-size:0.92rem;line-height:1.85;color:var(--text-dark);margin-bottom:1rem}
.obs-fin{font-size:0.88rem;line-height:1.7;color:var(--sand)}

/* COUNTDOWN */
.countdown{display:flex;gap:1.5rem;margin-top:1.5rem}
.cd-u{text-align:center}
.cd-n{font-family:'Cormorant Garamond',serif;font-size:2.4rem;font-weight:300;color:var(--sand);display:block;line-height:1}
.cd-l{font-size:0.55rem;letter-spacing:0.18em;text-transform:uppercase;color:rgba(200,169,110,0.6)}

/* PARTNER CARDS */
.part-card{flex:1;min-width:250px;background:var(--off);padding:2rem;border-top:3px solid var(--sand)}
.part-card-n{font-family:'Cormorant Garamond',serif;font-size:1.45rem;color:var(--title);margin-bottom:0.3rem}
.part-card-t{font-size:0.58rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--rose);margin-bottom:0.8rem;display:block}
.part-card p{font-size:0.82rem;line-height:1.65;color:var(--card-text) !important}
.part-card a{display:inline-block;margin-top:0.7rem;font-size:0.67rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--rose)}

/* SHOP */
.shop-item{background:rgba(255,255,255,0.03);border:1px solid rgba(200,169,110,0.1);padding:2rem}
.shop-item h3{font-family:'Cormorant Garamond',serif;font-size:1.2rem;color:var(--sand-lt);margin-bottom:0.3rem}
.shop-sub{font-size:0.72rem;color:rgba(200,169,110,0.6);margin-bottom:0.8rem;font-style:italic;display:block}
.shop-price{font-family:'Cormorant Garamond',serif;font-size:1.5rem;color:var(--sand);display:block;margin-bottom:0.8rem}
.btn-shop{display:block;text-align:center;padding:0.6rem 1.4rem;border:1px solid rgba(200,169,110,0.3);color:var(--sand-lt);font-size:0.67rem;letter-spacing:0.14em;text-transform:uppercase;transition:all 0.3s}
.btn-shop:hover{background:var(--rose);border-color:var(--rose);color:#fff}

/* CAUSE CARDS */
.cause-card{padding:2rem;background:var(--cream);border-bottom:2px solid transparent;transition:border-color 0.3s}
.cause-card:hover{border-bottom-color:var(--rose)}
.cause-card h3{font-family:'Cormorant Garamond',serif;font-size:1.1rem;color:var(--title);margin-bottom:0.4rem}
.cause-card p{font-size:0.82rem;line-height:1.6;color:var(--card-text) !important}

/* SIG */
.sig{background:var(--off);padding:6rem 2.5rem;text-align:center}
.sig-l{font-family:'Cormorant Garamond',serif;font-size:clamp(1.4rem,3vw,2.1rem);font-weight:300;line-height:1.5;color:var(--quote) !important;max-width:700px;margin:0 auto 0.8rem}
.sig-l em{font-style:italic;color:var(--rose)}
.sig-div{width:36px;height:1px;background:var(--rose);margin:1.5rem auto 2rem}

/* PARADOX */
.paradox{background:var(--noir);padding:2rem;border-bottom:1px solid rgba(200,169,110,0.08)}
.paradox p{font-size:0.9rem;line-height:1.8;color:var(--text-dark) !important}

/* PRINCIPE */
.principe{padding:1.5rem;background:var(--cream);border-left:2px solid transparent;transition:border-color 0.3s;margin-bottom:0.8rem}
.principe:hover{border-left-color:var(--sand)}
.principe-n{font-size:0.6rem;letter-spacing:0.18em;text-transform:uppercase;color:var(--rose);margin-bottom:0.3rem;display:block}
.principe p{font-size:0.86rem;line-height:1.7;color:var(--card-text) !important}
.principe .note{font-size:0.78rem;color:var(--text-sec) !important;font-style:italic;margin-top:0.3rem}

/* FORM */
.form-group{margin-bottom:1.1rem}
.form-group label{display:block;font-size:0.62rem;letter-spacing:0.14em;text-transform:uppercase;color:var(--text-sec);margin-bottom:0.4rem}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:0.85rem 1rem;background:var(--cream);border:1px solid rgba(58,48,42,0.15);color:var(--text);font-family:'Inter',sans-serif;font-size:0.9rem;outline:none;transition:border-color 0.3s}
.form-group input:focus,.form-group textarea:focus{border-color:var(--rose)}
.form-group textarea{resize:vertical;min-height:120px}
.form-error{font-size:0.75rem;color:var(--rose);margin-top:0.3rem;display:none}
.form-error.show{display:block}
.btn-submit{width:100%;padding:1rem;background:var(--rose);color:#fff;border:none;cursor:pointer;font-family:'Inter',sans-serif;font-size:0.72rem;letter-spacing:0.18em;text-transform:uppercase;transition:background 0.3s}
.btn-submit:hover{background:var(--rose-dk)}
.form-confirm{display:none;padding:2rem;background:rgba(200,169,110,0.08);border:1px solid rgba(200,169,110,0.2);text-align:center}
.form-confirm.show{display:block}
.form-confirm p{color:var(--text);font-size:0.95rem}

/* FOOTER */
footer{background:rgba(10,7,5,0.98);padding:2rem 2.5rem;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;border-top:1px solid rgba(200,169,110,0.07)}
.footer-logo{font-family:'Cormorant Garamond',serif;font-size:0.95rem;font-weight:300;letter-spacing:0.1em;color:rgba(232,213,176,0.5)}
.footer-note{font-size:0.63rem;color:rgba(200,169,110,0.3);max-width:480px;line-height:1.6;text-align:center}
.social-links{display:flex;gap:0.7rem}
.social-links a{width:30px;height:30px;border:1px solid rgba(200,169,110,0.2);display:flex;align-items:center;justify-content:center;color:rgba(200,169,110,0.5);font-size:0.67rem;transition:all 0.3s}
.social-links a:hover{border-color:var(--sand);color:var(--sand)}

/* RESPONSIVE */
@media(max-width:900px){
  nav{padding:1rem 1.5rem}
  .nav-links{display:none}
  .nav-burger{display:flex}
  .section{padding:4rem 1.5rem}
  .g2,.g3,.res,.etapes{grid-template-columns:1fr}
  .g4{grid-template-columns:1fr 1fr}
  footer{flex-direction:column;text-align:center}
  .btn-row{flex-direction:column;align-items:flex-start}
}
@media(max-width:500px){
  .g4{grid-template-columns:1fr}
  .section{padding:3rem 1.2rem}
  .countdown{gap:1rem}
}
@prefers-reduced-motion:reduce{*{animation:none !important;transition:none !important}}